How do you practically change the filter. Do you just twist the old one and screw in the new one (and reset the electronic counter?)

Yes, just unscrew the old filter, no need to turn the water off as the filter head has a non return valve inside, then simply screw new filter in, you will get hiss as the filter pressurises as you screw the last few threads, only tighten hand tight! Then flush through about 3 litres, it will splutter a bit as it gets the air out. Then reset your counter.

How often does the filter need to be changed.

Hi Flossy,this Filter is for a capacity of 600 liters.Kind regardsJenny Hetkamp and the KILEAN team

Can I still use the boiling water and hot and cold water without resetting new filter?

I feel you need to ask Grohe 😀. I use only Grohe red for boiling water. Therefore only reset once I have changed the filter! I use hot and cold water as I would normally.

I have a grohe blue 600 the filter that has arrived is a lot smaller. will it still work or should i reorder?

It should work, ours did. It just appears to be smaller but does the same job and of course takes up less room. Best of luck, I accept no liability if it is not up to your expectations.

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💧 Elevate your hydration game with GROHE’s ultimate filter upgrade!

SEAMLESS REPLACEMENT FIT - Designed specifically for GROHE Blue and Red water systems for hassle-free installation.
PURE HYDRATION EVERY DROP - Experience up to 600 liters of fresh, filtered water without compromise.
ADVANCED 5 PHASE FILTRATION - Engineered to remove impurities for crisp, great-tasting water straight from your tap.
ECO FRIENDLY NON ELECTRIC - Activated carbon filter with no batteries required—pure performance with minimal environmental impact.
PROTECT YOUR PLUMBING HEALTH - Effectively reduces limescale buildup and heavy metals, extending appliance life and ensuring safety.

The GROHE Blue S-Filter Cartridge is a high-performance replacement filter compatible with GROHE Blue and Red water systems. Featuring a 5-phase activated carbon filtration process, it delivers up to 600 liters of fresh, great-tasting water while reducing limescale and heavy metals. This non-electric, easy-to-install cartridge ensures cleaner water and longer-lasting plumbing, making it an essential upgrade for health-conscious professionals.

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€ 191.38

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Manufacturer	Grohe UK Ltd (EUR account)
Part Number	40404001
Product Dimensions	8.81 x 8.81 x 31.5 cm; 796 g
Item model number	40404001
Size	1 Count (Pack of 1)
Colour	White
Style	Hard Water Small
Material	Activated carbon
Pattern	Single
Power Source	Non electric
Item Package Quantity	1
Number of Pieces	1
Measurement System	Metric
Batteries included?	No
Batteries Required?	No
Item Weight	796 g

GROHEBlue S-Filter Cartridge - Replacement Filter for Blue and Red Water Systems for Fresh Filtered Water, Reduces Limescale and Heavy Metals, Capacity 600 Litre, 40404001

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